missing-operator/add-sub-medium · Sæt 69
20 problems
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1
50 ○ 13 63, what is ○?
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2
57 __ 43 14
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3
18 ○ 15 33, what is ○?
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4
8 ○ 11 88, what is ○?
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5
12 __ 3 4
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6
7 __ 3 21
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7
9 ○ 3 3, what is ○?
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8
16 ○ 8 2, what is ○?
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9
81 __ 9 9
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10
25 ○ 11 36, what is ○?
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11
6 __ 6 36
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12
74 __ 26 48
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13
1 __ 8 9
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14
72 ○ 8 9, what is ○?
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15
44 ○ 42 2, what is ○?
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16
13 ○ 6 7, what is ○?
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17
67 __ 19 48
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18
38 ○ 2 36, what is ○?
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19
7 __ 30 37
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20
42 ○ 29 71, what is ○?
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